CF1760152220538-tsm20251010183831

IPLIST.NET - 21.37.175.in-addr.arpa

Search for IP or hostnames:

21.37.175.in-addr.arpa checked at 2025-10-11T03:10:20.520Z 516ms 39/39/39 100% R:17

21.37.175.in-addr.arpa

NSns2.mel.optusnet.com.au
A211.31.132.98🇦🇺 Optus Internet
PTRns2.mel.optusnet.com.au
NSns1.syd.optusnet.com.au
A211.29.152.97🇦🇺 Optus Internet
PTRns1.syd.optusnet.com.au

37.175.in-addr.arpa

NSdnsappsvc01.syd.optusnet.com.au
NSdnsappsvc02.syd.optusnet.com.au

Starts with same word

Starts similarily

AI analysis

21.37.175.in-addr.arpa's delegation uses two name servers: ns2.mel.optusnet.com.au and ns1.syd.optusnet.com.au.

21.37.175.in-addr.arpa uses the same name server setup as other domains, such as 5.199.49.in-addr.arpa, 224.191.49.in-addr.arpa, 9.107.58.in-addr.arpa, 204.199.49.in-addr.arpa and 245.183.49.in-addr.arpa.

21.37.175.in-addr.arpa at least partially shares name servers with other domains, including 126.42.1.in-addr.arpa, 138.193.49.in-addr.arpa, 44.32.175.in-addr.arpa, 137.193.49.in-addr.arpa and 249.176.49.in-addr.arpa.

These name servers are commonly used together with the name servers dns2-slave01.mel.optusnet.com.au, dns2-slave02.mel.optusnet.com.au, dns1-slave01.syd.optusnet.com.au and dns1-slave02.syd.optusnet.com.au.

Host names with a single IP address: ns2.mel.optusnet.com.au points to 211.31.132.98; ns1.syd.optusnet.com.au points to 211.29.152.97.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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tOjMlCi CF johedugfp 2025-10-11